[BUG] I am using Claude on Windows, and when I change the API key, even after restarting the terminal or the computer, Claude continues to use the previous key. What is the reason for this?

Preflight Checklist

• [x] I have searched existing issues and this hasn't been reported yet
• [x] This is a single bug report (please file separate reports for different bugs)
• [x] I am using the latest version of Claude Code

What's Wrong?

I am using Claude on Windows, and when I change the API key, even after restarting the terminal or the computer, Claude continues to use the previous key. What is the reason for this?

What Should Happen?

Successfully replaced Claude's key

Error Messages/Logs

Steps to Reproduce

1

Claude Model

None

Is this a regression?

Yes, this worked in a previous version

Last Working Version

_No response_

Claude Code Version

401

Platform

Anthropic API

Operating System

macOS

Terminal/Shell

Windows Terminal

Additional Information

_No response_